所属栏目:切削
表1-10常用金属材料线膨胀系数α×10-6材料温度范围(℃)2020~10020~20020~30020~40020~600工程用铜紫铜黄铜锡青铜铝青铜 16.6~17.117.217.817.617.617.1~17.217.518.817.917.917.617.920.918.219.218~18.118.6碳钢铬钢40CrSi30CrMnSiA 10.6~12.211.211.71111.3~ ......(本文共 411 字 ) [阅读本文] >>